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S31655 Stainless Steel vs. C87200 Bronze

S31655 stainless steel belongs to the iron alloys classification, while C87200 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S31655 stainless steel and the bottom bar is C87200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
85
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 39
30
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
43
Tensile Strength: Ultimate (UTS), MPa 710
380
Tensile Strength: Yield (Proof), MPa 350
170

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 1010
200
Melting Completion (Liquidus), °C 1430
970
Melting Onset (Solidus), °C 1380
860
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 15
28
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 17
29
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 3.3
2.7
Embodied Energy, MJ/kg 46
44
Embodied Water, L/kg 160
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
93
Resilience: Unit (Modulus of Resilience), kJ/m3 310
130
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25
12
Strength to Weight: Bending, points 23
14
Thermal Diffusivity, mm2/s 4.0
8.0
Thermal Shock Resistance, points 16
14

Alloy Composition

Aluminum (Al), % 0
0 to 1.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19.5 to 21.5
0
Copper (Cu), % 0 to 1.0
89 to 99
Iron (Fe), % 63.2 to 71.9
0 to 2.5
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0.5 to 1.5
0
Nickel (Ni), % 8.0 to 9.5
0
Nitrogen (N), % 0.14 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.5
Silicon (Si), % 0 to 1.0
1.0 to 5.0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 0
0 to 5.0